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United States Patent | 5,131,399 |
Sciarra | July 21, 1992 |
A respiration transducer apparatus for monitoring respiratory movement in patients is disclosed which includes a transducer for detecting respiratory movement in the patient's body. The transducer includes a first inductor adapted to be positioned adjacent a portion of the patient's body and a second inductor adapted to be positioned adjacent the same portion of the body. The transducers are disposed in a substantially fixed geometric relation as an integrally fixed coil with the first and second inductors inductively reacting with each other and a forming a continuous transducing area.
Inventors: | Sciarra; Michael J. (55 Cove Rd., Southhampton, NY 11968) |
Appl. No.: | 563260 |
Filed: | August 6, 1990 |
Current U.S. Class: | 600/484; 128/903; 600/481; 600/534; 600/538 |
Intern'l Class: | A61B 005/020.5 |
Field of Search: | 455/72 128/671,721,722,723,724,725,670,671,668,696,903,904 |
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4494553 | Jan., 1985 | Sciarra | 128/671. |
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4893347 | Jan., 1990 | Eastmond | 455/72. |
4904950 | Feb., 1990 | Brown | 128/903. |
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4969210 | Nov., 1990 | Hansen | 455/188. |
5029235 | Jul., 1991 | Apostolos et al. | 455/72. |
Foreign Patent Documents | |||
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